package com.powernode.mybatis.mapper;

import com.powernode.mybatis.pojo.Student;

import java.util.List;

public interface StudentMapper {
    Student selectById(Long id);

    Student selectByIdAssociation(Long id);

    Student selectByIdStep1(Long id);

    List<Student> selectByCidStep2(Long cid);

    List<Student> selectAll();
}
